1. Non-directional radio frequency power divider comprising:
an outer conductor andor outer conductor housing,
a first inner conductor,
the first inner conductor extends inside the outer conductor or in the outer conductor housing,
a second inner conductor,
the second inner conductor extends inside the space, which is formed between the first inner conductor and the outer conductor or the outer conductor housing,
the second inner conductor is electrically connected to or provided with a branch conductor extending away from the second inner conductor,
the branch conductor is positioned in the center between two ends of the second inner conductor,
the second inner conductor is relatively adjustable andor positionable in terms of a first distance from the first inner conductor andor in terms of a second distance from the outer conductor or outer conductor housing so as to effect a variable power distribution;
wherein the cross section of the second inner conductor is U- or V-shaped or plate-shaped.
2. Non-directional radio frequency power divider comprising:
an outer conductor andor outer conductor housing,
a first inner conductor,
the first inner conductor extends inside the outer conductor or in the outer conductor housing,
a second inner conductor,
the second inner conductor extends inside the space, which is formed between the first inner conductor and the outer conductor or the outer conductor housing,
the second inner conductor is electrically connected to or provided with a branch conductor extending away from the second inner conductor,
the branch conductor is positioned in the center between two ends of the second inner conductor,
the second inner conductor is relatively adjustable andor positionable in terms of a first distance from the first inner conductor andor in terms of a second distance from the outer conductor or outer conductor housing so as to effect a variable power distribution; and
wherein the first andor second inner conductors have lengths and define a coupling zone (K) therebetween, and the length of the coupling zone (K) between the first and second inner conductors is larger than 0.6\u03bb10 andor smaller than 1.4\u03bb10, \u03bb representing the lower frequency limit.
3. RF power divider according to claim 2, wherein the length of the first andor second inner conductors and therefore the length of the coupling zone (K) between the first and second inner conductors is larger than 0.7\u03bb10 and smaller than 1.3\u03bb10.
4. RF power divider according to claim 2, wherein the length of the first andor second inner conductors and therefore the length of the coupling zone (K) between the first and second inner conductors is larger than \u03bb10 or larger than \u03bb11, with reference to the lower frequency limit.
5. RF power divider according to claim 2, wherein the outer conductor or the outer conductor housing comprises two opposite connecting ports that are offset in relation to each other to each of which a coaxial conductor is or can be connected and that between these connecting ports a third connecting port is arranged, by means of which another coaxial conductor is or can be connected, the third connecting port comprising an inner conductor connection, which is electrically connected to the second inner conductor.
6. RF power divider according to claim 2, wherein the first inner conductor is arranged concentrically relative to the outer conductor and a drilled locating hole in the outer conductor or in the outer conductor housing and that the second inner conductor is adjustable and positionable in relation to the drilled locating hole in a radial direction or with a radial component.
7. RF power divider according to claim 2, wherein the outer conductor or the outer conductor housing has a drilled output hole, which is penetrated in a galvanically contact-free manner by the branch conductor, which is connected to the second inner conductor or part of the second inner conductor.
8. RF power divider according to claim 7, wherein the branch conductor is bolt-shaped and firmly connected or firmly bonded to the second inner conductor.
9. Non-directional radio frequency power divider comprising:
an outer conductor andor outer conductor housing,
a first inner conductor,
the first inner conductor extends inside the outer conductor or in the outer conductor housing,
a second inner conductor,
the second inner conductor extends inside the space, which is formed between the first inner conductor and the outer conductor or the outer conductor housing,
the second inner conductor is electrically connected to or provided with a branch conductor extending away from the second inner conductor,
the branch conductor is positioned in the center between two ends of the second inner conductor,
the second inner conductor is relatively adjustable andor positionable in terms of a first distance from the first inner conductor andor in terms of a second distance from the outer conductor or outer conductor housing so as to effect a variable power distribution;
wherein the branch conductor is constructed such that the branch conductor is at least one of axially or telescopically movable to an inner conductor connection of a third coaxial coupler.
10. Non-directional radio frequency power divider comprising:
an outer conductor andor outer conductor housing,
a first inner conductor,
the first inner conductor extends inside the outer conductor or in the outer conductor housing,
a second inner conductor,
the second inner conductor extends inside the space, which is formed between the first inner conductor and the outer conductor or the outer conductor housing,
the second inner conductor is electrically connected to or provided with a branch conductor extending away from the second inner conductor,
the branch conductor is positioned in the center between two ends of the second inner conductor,
the second inner conductor is relatively adjustable andor positionable in terms of a first distance from the first inner conductor andor in terms of a second distance from the outer conductor or outer conductor housing so as to effect a variable power distribution;
wherein at least one adjustment or retention device is provided, of an electrically non-conductive or dielectric material, which penetrates the outer conductor or the outer conductor housing in a corresponding drilled output hole, whereby the position of the second inner conductor is variably adjustable relative to the first inner conductor or the outer conductor or the inner surface of the drilled locating hole in the outer conductor housing.
11. RF power divider according to claim 2, Non-directional radio frequency power divider comprising:
an outer conductor andor outer conductor housing,
a first inner conductor,
the first inner conductor extends inside the outer conductor or in the outer conductor housing,
a second inner conductor,
the second inner conductor extends inside the space, which is formed between the first inner conductor and the outer conductor or the outer conductor housing,
the second inner conductor is electrically connected to or provided with a branch conductor extending away from the second inner conductor,
the branch conductor is positioned in the center between two ends of the second inner conductor,
the second inner conductor is relatively adjustable andor positionable in terms of a first distance from the first inner conductor andor in terms of a second distance from the outer conductor or outer conductor housing so as to effect a variable power distribution;
wherein the second inner conductor has a semi-cylindrical cross sectional form transverse to at least one of a longitudinal direction (L) of the second inner conductor and a direction in which the second inner conductor extends and is arranged such that a concave portion of the second inner conductor faces the first inner conductor and a convex portion of the second inner conductor faces the inner wall surface of the outer conductor.
12. Non-directional radio frequency power divider comprising:
an outer conductor andor outer conductor housing,
a first inner conductor,
the first inner conductor extends inside the outer conductor or in the outer conductor housing,
a second inner conductor,
the second inner conductor extends inside the space, which is formed between the first inner conductor and the outer conductor or the outer conductor housing,
the second inner conductor is electrically connected to or provided with a branch conductor extending away from the second inner conductor,
the branch conductor is positioned in the center between two ends of the second inner conductor,
the second inner conductor is relatively adjustable andor positionable in terms of a first distance from the first inner conductor andor in terms of a second distance from the outer conductor or outer conductor housing so as to effect a variable power distribution;
wherein the second inner conductor is tubular and runs parallel to the first inner conductor and is relatively adjustable transverse or radially to the said first inner conductor, the first inner conductor extending inside the second inner conductor.
13. RF power divider according to claim 12, wherein the first inner conductor is retained by retaining elements, which are insulating andor consist of a dielectric material, relative to the outer conductor or the outer conductor housing and specifically adjacent to the end of the second inner conductor andor that the first inner conductor is retained by dielectric retaining elements, which fix the inner conductor connection in place.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method for transmitting towards a plurality of mobile equipments a digital data stream and control messages associated to the stream, the stream being made up of successive data bursts of a service content encrypted with control words included in the control messages transmitted in parallel with the data stream, comprising the steps of:
receiving and storing a control message in a memory
inserting the control message previously stored in at least one burst of the service content to be transmitted until reception of a new control message
and repeating the preceding steps of storage and insertion during each reception of a new control message said message containing at least one control word for decrypting the service content of the at least one burst.
2. The method of claim 1 wherein the control message is inserted at the start of the burst between an identifier of the burst and the content data.
3. The method of claim 1 wherein the same control message is inserted into the bursts of a predefined group of bursts belonging to a same service the control message containing a control word for decrypting the content data of each burst of the group.
4. The method of claim 1 wherein a control message specific to each burst of a predetermined service is inserted
5. The method of claim 1 wherein several control words are included into a control message the control words being intended for decrypting the content data of the current burst and the content data of the further bursts of a predetermined service
6. The method of claim 1 wherein several control words are included into a control message the control words being intended for decrypting the content data of the current burst and the content data of previous and further bursts of a predetermined service